# Qwen3.5 397B A17B

> Mixture-of-experts model with 397B total parameters and 17B active. Strong general-purpose reasoning and instruction following with ZDR support. Available serverless through Wafer platform.

**ID**: `wafer/alibaba-qwen3.5-397b-a17b`  
**Creator**: alibaba  
**Category**: text  
**Context**: 328K tokens  
**Status**: Disabled (since 2026-08-17) — no longer routable or listed; kept for history/usage reference.  
**Reason**: Wafer 404 on every prod generation and smoke 502 (2026-08-17). No other non-BYOK host.  
**Input**: $0.43/M  
**Output**: $2.60/M  
**Released**: 2025-09-15  
**Web page**: https://anyrouter.dev/model/wafer/alibaba-qwen3.5-397b-a17b

**Input modalities**: text  
**Output modalities**: text  

**Capabilities**: chat, reasoning, function-calling, structured-output, streaming

## Usage

**Endpoint**: `POST https://anyrouter.dev/api/v1/chat/completions`

```bash
curl https://anyrouter.dev/api/v1/chat/completions \
  -H "Authorization: Bearer $ANYROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "wafer/alibaba-qwen3.5-397b-a17b",
  "messages": [
    {
      "role": "user",
      "content": "Say hi in 3 words."
    }
  ]
}'
```

## Providers

| Provider | Input | Output |
| --- | --- | --- |
| wafer | $0.43/M | $2.60/M |
| wafer-byok | $0 | $0 |

## Benchmarks

- **GPQA Diamond**: 0.9
- **HLE**: 0.3
- **τ²-Bench Telecom**: 1.0
- **SciCode**: 0.4

## Source

- Upstream docs: https://pass.wafer.ai